2.5.2. Swelling index and water absorption
The swelling index of cooked pasta (g water/g dried pasta) was
determined according to the procedure reported in Padalino et al.
(2013). The spaghetti strands were cut into equal lengths of
40 mm, and 10 g were then weighed accurately, cooked for the
optimal cooking time, and dried at 105 C until a constant weight
was reached. The swelling index was measured as given in Eq. (2):